| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5223797 | Tetrahedron | 2010 | 6 Pages |
Abstract
The synthesis of (1′S,3R,4R)-4-acetoxy-3-(1′-trimethylsilyloxy-2′,2′,2′-trifluoroethyl)-2-azetidinone (10) precursor of modified carbapenems is described relying upon [Ru(C6Me6)(S,S)–(CH2)5NSO2DPEN]-catalyzed asymmetric transfer hydrogenation under dynamic kinetic resolution using HCO2H–Et3N. This fluorine-containing precursor yielded the targeted trinems 1 and 2 via a stereoselective key step condensation with lithium (S)-6-methoxy-cyclohexenolate.
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